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path: root/drivers/hwmon/lm77.c
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Diffstat (limited to 'drivers/hwmon/lm77.c')
-rw-r--r--drivers/hwmon/lm77.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c
index cee5c2e8cfad..459b70ad6bee 100644
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -31,6 +31,7 @@
#include <linux/jiffies.h>
#include <linux/i2c.h>
#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
#include <linux/err.h>
#include <linux/mutex.h>
@@ -113,7 +114,6 @@ show(temp_input);
show(temp_crit);
show(temp_min);
show(temp_max);
-show(alarms);
/* read routines for hysteresis values */
static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute *attr, char *buf)
@@ -186,6 +186,14 @@ static ssize_t set_temp_crit(struct device *dev, struct device_attribute *attr,
return count;
}
+static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ int bitnr = to_sensor_dev_attr(attr)->index;
+ struct lm77_data *data = lm77_update_device(dev);
+ return sprintf(buf, "%u\n", (data->alarms >> bitnr) & 1);
+}
+
static DEVICE_ATTR(temp1_input, S_IRUGO,
show_temp_input, NULL);
static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO,
@@ -202,8 +210,9 @@ static DEVICE_ATTR(temp1_min_hyst, S_IRUGO,
static DEVICE_ATTR(temp1_max_hyst, S_IRUGO,
show_temp_max_hyst, NULL);
-static DEVICE_ATTR(alarms, S_IRUGO,
- show_alarms, NULL);
+static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp1_min_alarm, S_IRUGO, show_alarm, NULL, 0);
+static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 1);
static int lm77_attach_adapter(struct i2c_adapter *adapter)
{
@@ -220,8 +229,9 @@ static struct attribute *lm77_attributes[] = {
&dev_attr_temp1_crit_hyst.attr,
&dev_attr_temp1_min_hyst.attr,
&dev_attr_temp1_max_hyst.attr,
- &dev_attr_alarms.attr,
-
+ &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_min_alarm.dev_attr.attr,
+ &sensor_dev_attr_temp1_max_alarm.dev_attr.attr,
NULL
};